Electric switch



April 8, 1930. H. E. NoRvlEl., 1,753,620

ELECTRIC SWITCH Filed Jan. 28, 1928 45 the main frame plate Vof theswitch. This which secure them by providing the conduc- 55.

Patented Apr. 8, 1930 l 1353,@20

UNIIEDSTATES PATENT OFFICE YHARRY n. NORvIRI.,y OFKANDERSON, INDIANA,AssIGNoR TODELCo-REMY CORPO- Y RATION, OF DAYTON, OHIO, A CORPORATION orDELAWARE ELECTRIC sWIICII Y H y Application filed January 2s, 1928.serial No. 250,103. f

This invention relates to electrical switches also attached to theplate. c Thebushing 24 for automobiles and particularly to switchesprovides a bearing for a shaft 25 integral Y which are adapted to bemounted upon an with the hub of an operating lever or handle instrumentpanel and to be operated by a 26. The handle 26 is formed preferably by5 lever located in front of the panel andcona die casting operationinwhich the die cast- 55 trolling switch contacts located in the rear ingmold is provided with an insert in the of the panel. f form of a rod 27having a knurled portion The present invention has been developed 23about vwhich the material of the hub ofthe with the aim of simplifyingthe construction lever 26 contracts on cooling.y Therefore for Y andreducing the cost of manufacture of practical purposes the rod 27 may becon-` 60 switches of this type. This aim isVv accomsidered asaneXtensi-onof the shaft portion plished by a construction including avplate 25ct the lever. y The rod 27 supports a cylin# formed from sheetmetal yand provided with drlcal block 30 of non-conducting material lina bearing for a shaft extending through the which is. embedded, by amolding operation,v plate and connected at one end with an oper@ a`metallic insert 3l shown 'in perspective in @5 ating handle and attheother with an insu F 1g. 6. The Insert 3l includes Cylindrical latingcontact carrier carrying a movable flanges 32 and a web 33 joining theflanges. bridging contact which cooperates with re- The block 30provided with. a central apersilient spring blades insulatinglysupported turefor receiving "the rod 27 which is pros` upon theside ofthe plate remote fromthe vided with a threaded end 34 which co- 70handle; l l Y operates with a nut 35 to clamp the block Further objectsand advantages of the 30 between the nut andthe end 36 of the hubpresent invention will be apparent froml the of the lever 26. Theblockfv30 is drivingly following description, reference being hadconnected `with the lever 26 by providing the to the accompanyingdrawings wherein a rod 27 withav flat 37 engaged bya flat sur- .75.preferred embodiment of, one form of the face provided by the wallportion 38 of the present invention is clearly shown. central recesswithin the block 30 which is in the drawings: provided fory receivingthe rod 27 as shown Fig. 1- is a front view of a switch ,embodyin 3.Therefore the bridging Contact ing the present invention. v l memberv-3l will berotated .by turning the El Fig. 2 is a side view. a handle26. Y I u Fic'. 3 is a rear view. I Upon the back of the main frameplate 20 Fig. 4 isa sectional view taken on the line there ismounted aVunitary sub-*assembly 4 4 of Fig. l. structure which includes thestationary con- Fig. 5 is a sectional view on the line 5-5 tacts of theswitch and a device for yieldingly $5 of F ig. 3. maintaining thebridging 'elen1ent.3l.Y in `Fig.'6 is a perspective view of a metalliceither its on or its olf position.- Thissubinsert which is supported bya rotatable nonassembly structure includes a non-conducting conducting`body or switch contactl carrier. plate 40 which is secured by rivets 41to a 40 Fig. 7 is aview taken approximately on the circular boss 42providedby the plate 20. S plane of the line 7-7 of Fig. V5. Rivets 43secure the l plate 40 to the-ends of Fig. 8 isa sectional View ontheline 8 8 leafspring vconductors. 44 and angle-shaped of Fig. 4. terminalbrackets 45. y'The conductors 44 are Referring to the drawings, 2Odesignates prevented. from'turningabout the rivets 43 plate is formedpreferably from iiat sheet tors 44 each with atang 46 which is receivedmetal. The plate 20 is provided wit-h an by a notchg47 in the plate .40.One of theV Opening 2l for receiving oneend of a tube rivets 43 alsosecures a detent spring '48 22 which is attached to the plate and anOpenlocated between .the block 40 and one ofthe ing at 23 for receivinga tubular bushing 24 `conductors 44 as shown in Fig. 5. The free i9( endof the spring 48 is ring-shaped to permit the end of the spring 48 tosurround the block 30 and thereby prevent the turningyof the springrelative to the block 40 and also to permit the use of a relatively longspring within a limited space.V The ring-shaped end portion of thespring 48 is provided with a projection 49 adapted to be received by anyof the notches ,50 vprovided by the blocli 30. lNhe'n the handle 26'isfturne`d, the' spring 48 will yield and 'when anyof tl'ie' notches"50 is located in alignment with the projection 49, the projection willcooperate with the notch in order that the Contact 'member 3l may beyielding-ly maintained. It is apparent that the handleQG-inay beturnedin either direction fromv vertical 'edl position to ver/ti al onposition. 26' inle'itherdirection is limited by providing the handlewitha stop pin 5v5 which is receit'ed by .an arcuate notch -56`in thebushing A bezel ring is provided' with a flange G1 interfitting with a`flange '62 of the plate 20.Y The bezel ring 60Vincludes a bead '63which bears against fa sub-assembly structure including 'a glass dial-cover 64 'attached by a ti'ibularirivetoto 'adifal 66, the glass covei`64 and .the'dial'GG vhaving aligned -openings for receivingrespectively, the tubular rivet andbu'shihg 24. In order t`o excludedirt and moisture from the space between the dial 66 and the cover '64,the dial'is provided with a bead '67 fori-'engaging the glass 64 'nearits edge and with annular beads 68 and 69 for engaging the glass nearthehol'es provided therein. -A paper gasket 70 is locatedbe tween theplate y2O andthe dial 66. The langetfil-of'the bezel ring 60 is providedwith ta'n'gs'fl which fare bent aroundthe Han-ge '62 of -tlieplate 20 inorder to secure the bezel r-in'g 60, glass *cover 64, dial plate 66 andgasket 70 to ythe main 'frame plat-e 20.

The tube 22 supports a rod v80 having an operating handle S1 andconnected with a. Bowden wire 82 adapted to slide through a Bowden wi'retube 83 attached to the tube 22.

While the form of embodiment of the present invention as hereindisclosed, constitutes a preferred for-in, it is to be understood vthatother' forms might Vbe adopted, all coming withinfthe scope of theclaims which follow.

What isfclainied is as follows:

l.V A11-'electric switch comprising, in combination, a Ymain supportingplate carrying a bearing, an operating shaft journaled in the bearingland havingv fa handle located on one side of ythe plate, anonconducting 'contact "carrier supported other side ofthe plate, vabridging conductor carried by thejcarrier Iand having contact elementsextending along the sides of the carrier, and Va subiassembly structureattached to the lpla-te andcomprisinga non-conduct-ing pla'teV carryingterminals connected Rotation of the handle signature. by the shaft onthe Y with leaf spring conductors engageable with the contact elementsof the bridging conductor.

2. An electric switch according to claim l in which the contact carrieris yieldingly maintained in ydifferent positions by 'a leaf springyattached at one end to the non-conducting plate of the sub-assembly andbearling against an end of the contact carrier, said leaf spring andcarrier 'having cooperating projections and recess provisions.

3. An electric switch comprising, in combination, a mainsupporting platecarrying a bearing, Van operati-ng shaft journaled in the bearing andhaving a handle located on one iside ofthe plate, anon-'conductingcontact carrier supported by the shaft onY the other side-'of the plate,a bridging conductor carried bythe carrier an-'d having contactelementsextending .along 'the sides lof the car- .I

rier, and a subassembly structure carried by the said plate andproviding terminals connected with `leaf spring Aconductors engageablewith the contact elements'of the bridging conductor. Y

4. An electric switch comprising, in combination, a vmain supportingplate carrying a be'aring,= V'n operating shaft journaled in the bearingand having afhandle located on one side ofV theplate, ka non-conductingcontact carrier supported lby the shaft on the other side ofthe plate, abridging conductor earried bythe 'carrier and having contact elementsextending along thesides ofthe carrienand asub-asse'mbly structurecarried by i the said plate and providing a leaf spring oarried by 'saidsub-assembly `and bearing against `anien'd ofthecontact carrier, saidleaf spring and Ycarrier having cooperating lproj ections and recessprovisions.

5. An electric switch comprising, in combination, a imain 'supportingplate carrying a bearing, an operating shaft journaled inthe bearing andhavinga `handle located on one ros side of the plate, a non'cond'u'ctingcontact L carrier supported by the Ashaft on the other side of theplate, a bridging conductor Ycarriedv by the 'carrier'and having contactelements extending along the sides of the carrier, a pair of leaflspring:conductors rinsulatingly supported by said plate and engageablewith the Y bridging contact, a ljeaf'spring securedto the sald plate andbearing against an end of the contact carrier, said leaf spring andcarrier having cooperating projections :and recess provisions.

In ltestimony whereof I Vhereto afi'x my i HARRY n. NoRvinL.

